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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [HSW Regression]igt/gem_reloc_vs_gpu/forked-interruptible-faulting-reloc-thrashing fails"
href="https://bugs.freedesktop.org/show_bug.cgi?id=77793">77793</a>
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>[HSW Regression]igt/gem_reloc_vs_gpu/forked-interruptible-faulting-reloc-thrashing fails
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Reporter</th>
<td>jinxianx.guo@intel.com
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=97801" name="attach_97801" title="dmesg">attachment 97801</a> <a href="attachment.cgi?id=97801&action=edit" title="dmesg">[details]</a></span>
dmesg
System Environment:
--------------------------
Platform: HSW
kernel: (drm-intel-nightly)1e771b84e47085ef9b6efea1321e7cb5a8b2c065
Bug detailed description:
----------------------------
igt/gem_reloc_vs_gpu/forked-interruptible-faulting-reloc-thrashing fails on
-nightly and -next-queued(c79057922ed6c2c6df1214e6ab4414fea1b23db2)
It's a regression bug:
good commit: 04feced98a434c7046108671dc5b6f50f3b63ed7
bad commit: c27dc20db6c0bcf4078b4da65d8d20f6f0b74229
We will bisect it later
output on -next-queued kernel:
./gem_reloc_vs_gpu --run-subtest forked-interruptible-faulting-reloc-thrashing
IGT-Version: 1.6-g78e4c2b (x86_64) (Linux:
3.14.0_drm-intel-next-queued_c79057_20140423+ x86_64)
Test assertion failure function do_test, file gem_reloc_vs_gpu.c:260:
Last errno: 4, Interrupted system call
Failed assertion: test == 0xdeadbeef
mismatch in buffer 1: 0x00000000 instead of 0xdeadbeef
Test assertion failure function do_test, file gem_reloc_vs_gpu.c:260:
Last errno: 4, Interrupted system call
Failed assertion: test == 0xdeadbeef
mismatch in buffer 2: 0x00000000 instead of 0xdeadbeef
Test assertion failure function do_test, file gem_reloc_vs_gpu.c:260:
Last errno: 4, Interrupted system call
Failed assertion: test == 0xdeadbeef
mismatch in buffer 5: 0x00000000 instead of 0xdeadbeef
Test assertion failure function do_test, file gem_reloc_vs_gpu.c:260:
Last errno: 4, Interrupted system call
Failed assertion: test == 0xdeadbeef
mismatch in buffer 6: 0x00000000 instead of 0xdeadbeef
Test assertion failure function do_test, file gem_reloc_vs_gpu.c:260:
Last errno: 4, Interrupted system call
Failed assertion: test == 0xdeadbeef
mismatch in buffer 6: 0x00000000 instead of 0xdeadbeef
Test assertion failure function do_test, file gem_reloc_vs_gpu.c:260:
Last errno: 4, Interrupted system call
Failed assertion: test == 0xdeadbeef
mismatch in buffer 3: 0x00000000 instead of 0xdeadbeef
child 5 failed with exit status 99
Subtest forked-interruptible-faulting-reloc-thrashing: FAIL
gem_reloc_vs_gpu: igt_core.c:832: children_exit_handler: Assertion `ret == 0'
failed.
Aborted (core dumped)
Reproduce steps:
----------------------------
./gem_reloc_vs_gpu --run-subtest forked-interruptible-faulting-reloc-thrashing</pre>
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